Prime p₀= 2157459343271085907 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 4 50 28 32 12 54 16 30 14 30 16 54 12 32 28 50 4 (?)
a_n: 0 4 54 82 114 126 180 196 226 240 270 286 340 352 384 412 462 466
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 466
Found by: Landjunge
db: batch=81, k=18, 4 50 28 32 12 54 16 30 14

SPT(16)	2157458590085278427	0 50 62 72 84 90 120 132 134 146 176 182 194 204 216 266	-753185807480
STPT(10)	2157458814989118437	0 2 30 32 42 44 54 56 84 86	-528281967470
STPT(10)	2157459044860631891	0 2 36 38 78 80 120 122 156 158	-298410454016
STPT(10)	2157459178014037949	0 2 42 44 60 62 78 80 120 122	-165257047958
SPT(13)	2157459299275593461	0 12 30 66 96 102 126 150 156 186 222 240 252	-43995492446
SPT(16)	2157459311800297033	0 6 40 46 60 100 118 126 130 138 156 196 210 216 250 256	-31470788874
STPT(10)	2157459815885181287	0 2 30 32 42 44 54 56 84 86	472614095380
STPT(10)	2157459977865992477	0 2 12 14 42 44 72 74 84 86	634594906570
STPT(10)	2157460086136589849	0 2 18 20 30 32 42 44 60 62	742865503942
SPT(16)	2157460411409499601	0 30 40 42 48 58 118 126 142 150 210 220 226 228 238 268	1068138413694
SPT(16)	2157460601313557779	0 10 30 42 70 108 114 144 148 178 184 222 250 262 282 292	1258042471872